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Organization Policy Contact Maturity
disclose.io Maturity Levels
security.txtIntake method exists
BasicPublic policy + channel
PartialWon't pursue legal action
FullExplicitly authorises testing + law exemptions
Full+CVDFull + proactive disclosure timeline
Findable → Communicating → Not hostile → Explicitly safe → Accountable
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Note: This assessment is not legal advice.
 Score
Sifgp https://sifgp.com/.well-known/security.txt L2 Basic 45.0 / 120
SiFi Networks https://sifinetworks.com/corporate/vulnerabilit... L1 Contact Only 20.0 / 120
sifiryazilim bilgi@sifiryazilim.com L2 Basic 45.0 / 120
sifted3 security@sifted3.com L2 Basic 45.0 / 120
SIG security@sig.biz L1 Contact Only 20.0 / 120
siga cybersecurity@siga.swiss L2 Basic 45.0 / 120
Sigasi admin@sigasi.com L3 Partial 73.3 / 120
sigfriedseldeslachts me@sigfriedseldeslachts.be L2 Basic 45.0 / 120
sig-ge incidents@sig-ge.ch L2 Basic 45.0 / 120
sighmon sighmon@sighmon.com L2 Basic 50.0 / 120
sight-sound webmaster@sight-sound.com L2 Basic 45.0 / 120
sigkill sec@sigkill.one L2 Basic 45.0 / 120
Sigma360 security@sigma360.com L4 Full 91.7 / 120
Sigmacomputing https://sigmacomputing.com/.well-known/security... L2 Basic 45.0 / 120
sigmasec alex@sigmasec.gr L2 Basic 45.0 / 120
sign security@sign.mt L2 Basic 45.0 / 120
signal security@signal.org L2 Basic 46.7 / 120
signcustomiser support@signcustomiser.com L1 Contact Only 20.0 / 120
Signet Breedband security@signetbreedband.nl L4 Full 93.3 / 120
Signicat security@signicat.com L1 Contact Only 20.0 / 120
significa development@significa.co L1 Contact Only 20.0 / 120
Signify productsecurity@signify.com L2 Basic 46.7 / 120
signifyd security@signifyd.com L1 Contact Only 20.0 / 120
signsofthetime postmaster@signsofthetime.nl L2 Basic 45.0 / 120
Sigwait alexander.gromnitsky@gmail.com L2 Basic 45.0 / 120
Showing 21976 to 22000 of 28,112 programs
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